const createError = require("http-errors");
const express = require("express");
const path = require("path");
const logger = require("morgan");
// const jwt = require('express-jwt');
const verifyToken = require("./utils/jwt/verifyToken");
const createToken = require("./utils/jwt/createToken");

const indexRouter = require("./routes/index");
const wechatRouter = require("./routes/wechat/");
const sysRouter = require("./routes/sys/");

const app = express();

// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "ejs");

app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(express.static(path.join(__dirname, "public")));

// 利用 CORS 解决跨域
app.all("*", function (req, res, next) {
  res.header("Access-Control-Allow-Origin", "*"); // 允许任意地址访问
  res.header("Access-Control-Allow-Methods", "GET, POST", "OPTIONS");
  res.header("Access-Control-Allow-Headers", "Content-Type, Authorization");
  next(); // 继续下一个中间件的处理
});

// app.post("/refresh_token", (req, res) => {
//   console.log("刷新token：", req.body);

//   res.json({
//     code: "200",
//     msg: "ok",
//     token: createToken({
//       user: "admin",
//     }),
//   });
// });

// token 拦截
// app.use(jwt({
//   secret: SECRET_KEY,
//   algorithms: ['HS256']
// })
//   .unless({
//     path: ['/users/login']
//   }));
// app.use(verifyToken);

// app.use("/", indexRouter);
wechatRouter(app);
sysRouter(app);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  console.log("服务器500: ", err);

  if (err.name === "UnauthorizedError") {
    res.status(401).send("invalid token...");
  }

  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get("env") === "development" ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render("error");
});

module.exports = app;
